This performance layer from Calvin Klein has been constructed with Insul-Lite fabric. This lightweight insulating material that is breathable & moisture-wicking to ensure you can perform at your optimal performance levels. It has a smooth outer surface & a soft brushed interior for comfort, with added stretch to provide full mobility during the golf swing movements. The garment has a modern appearance with a chunky half-zip opening, plus has an embroidered ck logo on the left chest.